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WSIY31 LIIB 310455

LIMM SIGMET 2 VALID 310456/310600 LIIB-
LIMM MILANO FIR SEV TURB FCST WI N4552 E00858 - N4436 E00905 - N4446
E01043 - N4629 E01028 - N4637 E01008 - N4612 E01010 - N4622 E00953 -
N4618 E00932 - N4628 E00921 - N4558 E00901 - N4552 E00858 FL280/400
STNR NC=